*{margin: 0px;padding: 0px}
body{width: 600px;margin: 2em auto;padding: 0 2em;font-size: 14px;font-family: "微软雅黑"}
a{text-decoration: none;}
p{line-height: 24px;margin: 1em 0}
header{padding: .5em 0;border-bottom: 1px solid #ccc}
nav{position: fixed;left: 12em;font-family: "微软雅黑";font-size: 1.1em;text-transform: uppercase;width: 9em;text-align: right}
nav a{display: block;text-decoration: none;padding: .7em 1em;color: #000}
nav a:hover{background-color: #ff0000;color: #f9f9f9;-webkit-transition:color .2s linear;}
article{font-size: 16px;padding-top: .5em}
article a{color: #dd0000;text-decoration: none;}
article a:hover{color: #333;text-decoration: underline}
.info{font-size: 14px}
.edit{margin: 3px;padding: 2px 5px;border-radius: 3px;background-color: #f3f3f3;color: #333;font-size: 13px}
.edit:hover{text-decoration: none;background-color: #f00;color: #fff;-webkit-transition: color .2s linear;}